GraphHopper

Route service with directions, isochrones, time-distance matrix, route optimization, etc.

Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems.

Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips.

Visualize your location history, track your movements, and analyze your travel patterns with complete privacy and control (alternative to Google Timeline a.k.a. Google Location History).

Trail database where you can upload your recorded tracks or create new ones and add various metadata to build an easily searchable catalogue.

Collaborative project to create a free editable map of the world.